Audi TT (2007 year). Instruction - page 47

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

♦ Hose clip pliers -V.A.G 1921-

Removing
– Release fasteners -1 ... 4- and remove centre noise insulation.

– Release hose clip -2-, lift retaining clip -1- and remove air hose.

– Remove bolts -arrows-.
– Release hose clip -2- and push front air pipe towards the right.

Note

Disregard -items 1, 3-.

3. Coolant pipes, coolant temperature senders, coolant circulation pump

179

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

Note

Place a cloth underneath pump for exhaust gas recirculation cool‐

er -V400- to catch escaping coolant.

– Clamp off coolant hoses using hose clamps -3094- , release

hose clips -3- and disconnect coolant hoses.

– Unplug electrical connector -2-.
– Unscrew bolts -1- and remove pump for exhaust gas recircu‐

lation cooler -V400- .

Note

Disregard -arrow-.

Installing
• Tightening torque

⇒ page 175

.

Installation is carried out in the reverse order; note the following:

Note

Hose connections and air pipes and hoses must be free of oil

and grease before assembly.

Secure all hose connections with the correct type of hose clips

(same as original equipment) ⇒ Electronic parts catalogue .

To ensure that the air hoses can be properly secured at their

connections, spray rust remover onto the worm thread of used

hose clips before installing.

– Install air pipe (front)

⇒ page 208

.

– Install air hose with plug-in connector

⇒ page 209

.

⇒ page 169

.

3.5

Removing and installing coolant pipe

(front)

Special tools and workshop equipment required
♦ Hose clip pliers -V.A.G 1921-

180

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

Removing
– Remove oil filter bracket

⇒ page 153

.

housing.

– Detach securing clip -3- for gear selector cable from gearbox

selector lever -1- and pull cable off pin -arrow-.

Metal gate relay lever:
– Detach securing clip -4- for gate selector cable from gate relay

lever -2- and pull cable off pin -arrow-.

Plastic gate relay lever:
• To prevent damage to gate selector cable, cable end-piece

must be detached from gate selector cable before removing.

– Pull locking device forwards onto stop -arrow 1- and lock by

turning anti-clockwise -arrow 2-.

– Press gate relay lever towards front -arrow 3-.

All vehicles (continued):
– Remove cable support bracket -arrows- from gearbox and

place to one side (selector cables remain fitted).

3. Coolant pipes, coolant temperature senders, coolant circulation pump

181

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

– Unplug electrical connector -3- at intake manifold flap motor -

V157- .

– Release hose clip -4- and disconnect air hose from intake

manifold flap motor -V157- .

– Remove bolt -2- on exhaust gas recirculation pipe.

Note

Disregard items marked -1- and -arrow-.

– Unscrew bolts -arrows- and detach intake manifold flap motor

-V157- .

– Press release tabs and disconnect crankcase breather hose

-1- from cylinder head cover.

– Move vacuum hoses -arrows- on air pipe clear.
– Loosen hose clip -2- and detach air pipe.

– Unclip wiring harness from retainer -arrow-.

182

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